EFTA00286999.txt

"J.P. Morgan Digital Growth Fund, L.P. 5,492,878 $39,499,999.78"

"522 Fifth Avenue Fund, L.P. 69,530 $499,999.27"

"KPCB Holdings, Inc., as nominee 556,241 $4,000,001.34"

"Apoletto Limited 69,530 499,999.27"

"Deutsche Telekom Venture Funds GmbH 1,390,602 $9,999,999.76"

"Hedosophia Alpha Limited 695,301 $4,999,999.89"

"Mort, Inc. 695,301 $4,499,999.89"

"title: Dr. Georg Schwegler Mai tayit ty Director RE FUNDS GmBH"

"Name: Ian Osborne Title: Director"

"Each Purchaser hereby represents and warrants to the Company, severally and not jointly, as follows"

"Purchaser has substantial experience in evaluating and investing in private placement transactions of securities in companies similar to the Company s"

"the authorized size of the Board of Directors of the Company shall be six members and the Board shall consist of Hosain Rahman"

"the authorized size of the Board of Directors of the Company shall be six members and the Board shall consist of... Alexander Asseily"

"the authorized size of the Board of Directors of the Company shall be six members and the Board shall consist of... David Weiden"

"the authorized size of the Board of Directors of the Company shall be six members and the Board shall consist of... Ben Horowitz"

"the authorized size of the Board of Directors of the Company shall be six members and the Board shall consist of... Roelof Botha"

"Cooley LLP ("Cooley"), outside general counsel to the Company"

"Proskauer Rose LLP, legal counsel to J.P. Morgan Digital Growth Fund, L.P."

"Proskauer Rose LLP, legal counsel to... 522 Fifth Ave. Fund, L.P."

"the Company shall, at the Initial Closing, reimburse the reasonable fees and expenses... not to exceed $30,000 in the aggregate"

"those Purchasers acquiring Shares hereof"

"J.P. Morgan Digital Growth Fund, L.P. By: J.P. Morgan Investment Management Inc. Its: Investment Advisor"

"The initial closing... shall take place... at the offices of Cooley L.L.P"

"The Company has reserved for issuance (i) under its 2000 Stock Option Plan"

"under its 2010 Equity Incentive Plan (the "2010 Plan")"

"any resignation or termination of employment of any officer or key employee of the Company"

"each of those persons and entities, severally and not jointly, whose names are set forth on the Schedule of Purchasers attached hereto as Exhibit A"